chore(node): enable ESM

Author: gfortaine

sdk-template-overrides/typescript-axios/configuration.mustache

@@ -3,7 +3,15 @@
 {{>licenseInfo}}
 
 {{! Edited by OpenAI, line 6 }}
-const packageJson = require("../package.json");
+import FormData from "form-data";
+import filedirname from "filedirname";
+import fs from "fs";
+import path from "path";
+
+const [, dirname] = filedirname();
+const filePath = path.join(dirname, '../package.json');
+const contents = fs.readFileSync(filePath, { encoding: 'utf8' });
+const packageJson = JSON.parse(contents);
 
 export interface ConfigurationParameters {
     apiKey?: string | Promise<string> | ((name: string) => string) | ((name: string) => Promise<string>);
@@ -100,7 +108,7 @@ export class Configuration {
             this.baseOptions.headers['OpenAI-Organization'] = this.organization;
         }
         if (!this.formDataCtor) {
-            this.formDataCtor = require("form-data");
+            this.formDataCtor = FormData;
         }
     }